function changeViewTime(outtime,parentSelector){
    var second=outtime%60;
    $(parentSelector+' .viewtime-second').text(second);
    var minute=(outtime-second)/60%60;
    $(parentSelector+' .viewtime-minute').text(minute);
    var hour=(outtime-second-minute*60)/3600%24;
    $(parentSelector+' .viewtime-hour').text(hour);
    var day=(outtime-second-minute*60-hour*3600)/3600/24;
    $(parentSelector+' .viewtime-day').text(day);
    if(outtime<=0){
        return;
    }
    outtime--;
    setTimeout(function(){
        changeViewTime(outtime,parentSelector)
    },1000);
}
window.changeViewTime=changeViewTime;
//判断有没有用require.js
define && define(['jquery'], function($) {//此模块基于jquery
    return {
        changeViewTime: changeViewTime
    }
});